CN220576077U

CN220576077U - Paperboard cutting mechanism and paperboard cutting machine

Info

Publication number: CN220576077U
Application number: CN202321823046.4U
Authority: CN
Inventors: 刘鑫; 陈坚; 柯险峰
Original assignee: Zhejiang Saili Intelligent Manufacturing Co ltd
Current assignee: Zhejiang Saili Intelligent Manufacturing Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-03-12
Anticipated expiration: 2033-07-11

Abstract

The application relates to a paperboard cutting mechanism and a paperboard cutting machine, and relates to the technical field of paperboard cutting equipment, comprising a supporting table, wherein a feeding assembly is arranged on the supporting table; the cutting device comprises a supporting table, and is characterized in that a clamping assembly and a cutting assembly are further arranged on the supporting table, the clamping assembly comprises a front pressing piece, a rear pressing piece and a power piece for driving the front pressing piece and the rear pressing piece to act, the cutting assembly further comprises a mounting main body positioned between the front pressing piece and the rear pressing piece, a cutting edge and a pressing wheel are arranged on the mounting main body, the front pressing piece is used for pressing and conveying paper boards before cutting the paper boards, and the rear pressing piece is used for pressing and conveying the paper boards after cutting the paper boards; this application reduces the cardboard and appears not hard up or skew possibility when cutting through the setting of clamping assembly and cutting assembly, improves the stability of cardboard when cutting, reduces the cardboard and is cut the possibility of waste product because self skew.

Description

Paperboard cutting mechanism and paperboard cutting machine

Technical Field

The application relates to the technical field of paperboard cutting equipment, in particular to a paperboard cutting mechanism and a paperboard cutting machine.

Background

The paperboard dividing and cutting machine is a device for dividing and cutting paperboards. As the core mechanism of the paperboard cutting machine, the structure of the paperboard cutting mechanism determines the quality of paperboard cutting.

Among the related art, cardboard cutting mechanism is including support frame, clamping assembly and cutting sword, and wherein clamping assembly includes power spare, pinch roller, driving roller, is equipped with between pinch roller and the driving roller and supplies to wait to cut the cardboard and put into and press from both sides tight adjustable clearance, cuts the sword and fixes on the support frame, drives the driving roller through the power spare and rotates, makes the cardboard that waits to cut that is located between cutting roller and the pinch roller to be close to the direction of cutting the sword and remove, makes to cut the sword and cuts the cardboard.

When the length of the paper board to be cut is short and the paper board to be cut is already cut for a large half, because only a short section of the paper board is clamped by the pressing roller and the driving roller, the pressed paper board can be loose or inclined, the paper board can be loose or offset when being cut, the cutting size of the paper board is out of specification, and the paper board becomes waste.

Disclosure of Invention

The purpose of this application is to provide a cardboard cutting mechanism and cardboard cutting machine, solves among the above-mentioned correlation technique because the cardboard has only a very short section to be pressed from both sides tight by pinch roller and driving roller this moment, and the cardboard that is pressed from both sides this moment probably appears becoming flexible or skew, can lead to appearing becoming flexible or skew when cutting by the cardboard that cuts that the cutting edge cut, leads to this cardboard to cut the size and does not meet the standard, causes this cardboard to become the problem of waste material.

The application provides a cardboard cutting mechanism and cardboard cutting machine adopts following technical scheme:

the paperboard cutting mechanism comprises a supporting table, wherein a feeding assembly is arranged on the supporting table; the supporting table is characterized in that a clamping assembly and a cutting assembly are further arranged on the supporting table, the clamping assembly comprises a front pressing piece, a rear pressing piece and a power piece used for driving the front pressing piece and the rear pressing piece to act, the cutting assembly further comprises a mounting main body positioned between the front pressing piece and the rear pressing piece, a cutting edge and a pressing wheel are arranged on the mounting main body, the front pressing piece is used for pressing and conveying paper boards before cutting the paper boards, and the rear pressing piece is used for pressing and conveying the paper boards after cutting the paper boards.

By adopting the technical scheme, after the paperboard to be processed moves to the position of the clamping assembly through the feeding assembly, one side of the paperboard to be cut is pressed by the front pressing piece, the pressed paperboard is moved to the direction close to the cutting assembly through the power piece, when one part of the paperboard is pressed by the pressing wheel and is cut by the cutting edge, the rear pressing piece presses the cut part of the paperboard, and meanwhile, the paperboard which is not cut is still pressed by the front pressing piece; even if only one short end of the paper board is pressed by the front pressing piece, most of the cut paper board is pressed by the rear pressing piece, so that the possibility that the paper board is loose or offset during cutting is reduced, the stability of the paper board during cutting is improved, and the possibility that the paper board is cut into waste products due to offset of the paper board is reduced.

Optionally, preceding compress tightly the piece and compress tightly the piece after with all include first driving roller and second driving roller, the both ends of first driving roller and second driving roller are connected with the both sides limit rotation of brace table, first driving roller and second driving roller outer peripheral face are pressed close to and reserve and are supplied and wait to cut the cardboard and put into and compress tightly adjustable clearance, power piece drives first driving roller and second driving roller along the opposite rotation of respective axis direction.

Through adopting above-mentioned technical scheme, when preceding compress tightly the piece with back compress tightly the piece and compress tightly the cardboard, one side of cardboard gets into the adjustable clearance between the first driving roller of preceding compress tightly the piece and the second transmission earlier, then drives first driving roller and second driving roller through the power piece and rotate, and the cardboard that has already cut enters into the adjustable clearance of first driving roller and second driving roller on the back compress tightly the piece and presss from both sides tightly to this is carried out the clamping and is transmitted the cardboard through first driving roller and second driving roller, reduces the cardboard of cutting the in-process and appears not hard up or skew possibility.

Optionally, be provided with the crossbeam on the brace table, the upper end and the crossbeam sliding connection of installation main part, the installation main part slides along the length direction of crossbeam, the side of crossbeam sets up the fixing bolt that runs through the installation main part and support tightly with the crossbeam side.

Through adopting above-mentioned technical scheme, when the position of cutting on the cardboard is different, because the upper end and the crossbeam sliding connection of installation main part, the position of adjusting installation main part relative crossbeam earlier, and the position adjustment is accomplished the back and is fixed it on the crossbeam through fixing bolt to this realizes the regulation to installation main part mounted position.

Optionally, the cutting assembly is still including being located the auxiliary roller of installation main part below, still rotate on the installation main part and be connected with the pinch roller that is located the auxiliary roller top, the both ends of auxiliary roller are rotated with the both ends portion of supporting bench and are connected, the outer peripheral face cover of auxiliary roller is equipped with the lag that is located the installation main part below, power spare also drives the auxiliary roller and rotates.

Through adopting above-mentioned technical scheme, when cutting the cardboard at the cutting edge in the installation main part, the pinch roller supports tightly with the upper surface of cardboard, and is further spacing to the cardboard of cutting through the pinch roller promptly, the downside of cardboard and the outer peripheral face butt of lag, and the cutting edge has the part to cut into the lag inside, stability when this improves the cardboard and cuts, simultaneously through the setting of lag, with this protects the cutting edge of installation main part, avoid cutting edge and the direct conflict of auxiliary roller, reduce the possibility that damage appears with auxiliary roller surface butt of cutting edge.

Optionally, the side of installation main part still is equipped with elastic component and rotates the connecting block of being connected with the pinch roller, the elastic component acts on the connecting block, the pinch roller is close to the surface of processing platform.

Through adopting above-mentioned technical scheme, when cutting the cardboard, through the setting of pinch roller and elastic component, the elastic component extrusion connecting block that is in compression state makes the outer peripheral face of pinch roller support the surface of tight cardboard, notifies the bottom side of cardboard and the lag outer peripheral face on the auxiliary roller support tightly to this stability of improvement cardboard when being cut by the cutting edge.

Optionally, the cutting assembly is still including being equipped with the cutter arbor, cutter arbor and cutting edge fixed connection, set up on the installation main part and supply the cutter arbor to put into and gliding guide way, the adjustable setting of cutter arbor is in the guide way.

Through adopting above-mentioned technical scheme, when needs are adjusted the extension length of cutting edge, adjust the cutter arbor that is located the guide way inside to this extension length of adjusting the cutting edge relative installation main part, with this extension length that can be according to the required cutting depth of cardboard to the cutting edge is adjusted.

Optionally, the number of cutting edges connected with the cutter bar is one.

Through adopting above-mentioned technical scheme, the cutting edge quantity that the cutter arbor connects is one to this is convenient for cut the cardboard of treating processing, and installs simply.

Optionally, the number of the cutting edges connected with the same cutter bar is two, the two cutting edges incline, and the cutting tips of the two cutting edges are abutted.

Optionally, the feeding assembly comprises a driving belt and a deviation rectifying piece, wherein the driving belt and the deviation rectifying piece are arranged on the supporting table, one end of the driving belt is close to the front pressing piece, and the driving piece drives the driving belt to move towards the direction close to the front pressing piece; the correcting piece comprises a correcting plate and a plurality of correcting wheels, the correcting plate is fixedly connected with one side of a transmission belt, a supporting rod positioned above the transmission belt is arranged on a supporting table, the feeding assembly further comprises a plurality of correcting wheels rotatably connected with the supporting rod, the outer peripheral surfaces of the correcting wheels are all abutted to the upper surface of the transmission belt, the correcting wheels are integrally inclined, and the distance between the correcting wheels and the correcting plates, which are close to the front pressing piece, is smaller than the distance between the correcting wheels and the correcting plates, which are far away from the front pressing piece.

Through adopting above-mentioned technical scheme, when driving the cardboard through feeding subassembly and compressing tightly the piece and remove forward, drive the drive belt through the power piece and rotate, make the cardboard on the drive belt remove to the direction that is close to preceding compressing tightly the piece. When the driving belt moves the paper board to be processed, the outer peripheral surface of the deviation correcting wheel is abutted with the surface of the paper board to be processed, and the deviation correcting wheel mainly enables materials to restore to the correct position in the running process by applying certain slight pressure, so that one side edge of the paper board on the driving belt is gradually abutted with the side surface of the deviation correcting plate, and the subsequent cutting of the paper board is more accurate.

A paperboard cutting machine comprises the paperboard cutting mechanism.

Through adopting above-mentioned technical scheme, make this cardboard cutting machine more accurate to cutting of cardboard, reduce the cardboard and appear not hard up or skew possibility when cutting, improve the stability of cardboard when cutting, reduce the cardboard and cut the possibility of waste product because self skew.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the clamping assembly, after one part of the paperboard is cut by the cutting assembly, the rear pressing piece presses the cut part of the paperboard, and meanwhile, the paperboard which is not cut is still pressed by the front pressing piece; even if only one short end of the paper board is pressed by the front pressing piece, most of the cut paper board is pressed by the rear pressing piece, so that the possibility that the paper board is loose or offset during cutting is reduced, the stability of the paper board during cutting is improved, and the possibility that the paper board is cut into waste products due to offset of the paper board is reduced.

2. Through setting up of rectifying board and a plurality of wheel of rectifying, when the drive belt makes the cardboard that waits to process remove, the outer peripheral face of wheel of rectifying with wait to process the surface butt of cardboard, the wheel of rectifying makes the material resume the exact position at the in-process of operation mainly through exerting certain slight pressure, makes the side border of cardboard that is located on the drive belt gradually with rectifying the side butt of board, makes follow-up cutting to the cardboard more accurate.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view in partial cross-section of an embodiment of the present application embodying a clamping assembly mounting arrangement;

FIG. 3 is a schematic view in partial cross-section of an embodiment of the present application embodying a cutting assembly mounting profile;

FIG. 4 is a schematic diagram of a press wheel mounting assembly embodying embodiments of the present application;

FIG. 5 is a schematic view of a partial structure of a driving member embodying an embodiment of the present application;

FIG. 6 is a schematic view showing a partial structure of the rotation directions of the first driving roller and the second driving roller according to the embodiment of the present application;

FIG. 7 is a schematic view of a partial structure embodying belt motion in an embodiment of the present application;

FIG. 8 is a schematic view of a partial structure embodying the installation distribution of the deviation correcting member according to the embodiment of the present application;

FIG. 9 is a schematic diagram of a structure embodying the installation distribution of the outfeed assembly according to the embodiment of the present application;

FIG. 10 is a schematic view of an embodiment of the present application showing the mounting distribution of a slitting mechanism on a paperboard slitter;

fig. 11 is a schematic view showing a structure in which two blades are fixed to a cutter bar.

In the figure, 1, a supporting table; 11. a cross beam; 12. a third sprocket; 13. a fourth sprocket; 14. a first mounting bar; 141. a sixth sprocket; 15. a second mounting bar; 16. a support rod; 17. a first fixing rod; 18. a second fixing rod; 19. a chute; 2. a feed assembly; 21. a transmission belt; 22. a deviation correcting piece; 221. deviation correcting wheels; 222. a deviation correcting plate; 3. a clamping assembly; 31. a power member; 311. a first drive chain; 312. a driving motor; 313. a drive sprocket; 314. a second drive chain; 32. a front pressing member; 321. a first driving roller; 3211. a first sprocket; 322. a second driving roller; 3221. a fifth sprocket; 33. a rear pressing member; 35. a slide block; 4. a cutting assembly; 41. a mounting main body; 411. a blade; 412. a pinch roller; 413. a placement groove; 414. an elastic member; 415. a connecting block; 417. a guide groove; 42. an auxiliary roller; 421. a protective sleeve; 422. a second sprocket; 43. a fixing bolt; 44. a first adjusting screw; 45. a cutter bar; 5. a discharge assembly; 51. and a collection plate.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Examples:

referring to fig. 1, a paper board cutting mechanism comprises a supporting table 1, wherein a feeding component 2, a clamping component 3, a cutting component 4 and a discharging component 5 are arranged on the supporting table 1, a paper board to be processed is fed through the feeding component 2, the paper board is transmitted to the cutting component 4 through the clamping component 3 for cutting, and finally the cut paper board is subjected to discharging collection through the discharging component 5.

Referring to fig. 2, the clamping assembly 3 includes a power member 31, a front pressing member 32 and a rear pressing member 33, wherein the front pressing member 32 and the rear pressing member 33 each include a first driving roller 321 and a second driving roller 322, two ends of the first driving roller 321 and the second driving roller 322 are rotatably connected with two side edges of the supporting table 1, the first driving roller 321 is located above the second driving roller 322, and an adjustable gap for placing and pressing a cardboard to be cut is reserved on the peripheral surfaces of the first driving roller 321 and the second driving roller 322;

referring to fig. 1, two ends of a first driving roller 321 are rotatably connected with a sliding block 35, sliding grooves 19 into which the sliding block 35 is inserted and slides are formed in the vertical direction on two opposite sides of a supporting table 1, and when the size of an adjustable gap is required to be adjusted, the sliding block 35 is moved up and down along the length direction of the sliding groove 19, and can be fixed by bolts after being moved to a required position; thereby, the first driving roller 321 is rotationally connected with the supporting table 1, and the size of the adjustable gap is adjusted.

Referring to fig. 3, the cutting assembly 4 is positioned between the front pressing member 32 and the rear pressing member 33, the front pressing member 32 clamps the cardboard and moves it in a direction approaching the cutting assembly, and after the cardboard is pressed by the front pressing member 32 and simultaneously is cut by the cutting assembly 4, the cardboard portion having been cut is pressed by the rear pressing member 33; the support table 1 is provided with a cross beam 11, wherein the cutting assembly 4 comprises a mounting body 41 fixed to the cross beam 11 for slitting the cardboard. The mounting main body 41 can slide along the length direction of the cross beam 11, a toothed plate is arranged at the lower side of the cross beam 11, a first gear meshed with teeth on the toothed plate and a handle for driving the first gear to rotate are arranged on the side surface of the mounting main body 41, and the mounting main body 41 is driven to move along the length direction of the cross beam 11 by rotating the handle; the other side of the mounting body 41 is provided with a fixing bolt 43, and the fixing bolt 43 penetrates through the mounting body 41 and then abuts against the side surface of the cross beam 11, so that the mounting body 41 is prevented from freely sliding along the length direction of the cross beam 11.

Referring to fig. 3, the cutting assembly 4 further includes an auxiliary roller 42 and a protective sleeve 421 fixedly sleeved on the auxiliary roller 42, the protective sleeve 421 is a soft self-adhesive tape, and a blade 411 and a pressing wheel 412 are disposed on the mounting main body 41 and located above the auxiliary roller 42, wherein the blade 411 is fixedly connected with the mounting main body 41, and the pressing wheel 412 is rotatably connected with the mounting main body 41.

Referring to fig. 3, the mounting body 41 is a plurality of mounting frames, which are divided into two cases. First case: the number of the mounting frames is one, wherein the blade 411 and the pinch roller 412 are both mounted on the mounting body 41; second case: the number of the mounting frames is not less than two, and the blade 411 and the pressing wheel 412 may be respectively mounted on different mounting frames.

Referring to fig. 4, a first adjusting screw 44 and a first adjusting screw hole into which the first adjusting screw 44 is screwed are further provided on the mounting main body 41, a cutter bar 45 is fixedly connected to the tail of the cutter bar 411, the number of the cutter bars 411 connected to the cutter bar 45 is one, a guide groove 417 into which the cutter bar 45 is inserted and slides is provided on the mounting main body 41, one end of the first adjusting screw 44 is screwed into and penetrates through the first adjusting screw hole, and then the end of the cutter bar 45 away from the cutter bar 411 is rotatably connected with the end of the first adjusting screw 44 penetrating through the first adjusting screw hole; the first adjusting screw 44 is rotated to drive the cutter bar 45 to slide along the length direction of the guide groove 417, so that the extending length of the cutter edge 411 relative to the mounting body 41 can be adjusted according to the cutting depth required by the paperboard to be processed.

Referring to fig. 3, two ends of the auxiliary roller 42 are rotatably connected to two opposite sides of the supporting table 1, when the blade 411 on the mounting main body 41 cuts the cardboard, the pressing wheel 412 is simultaneously abutted against the upper surface of the cardboard, the lower side of the cardboard is abutted against the outer circumferential surface of the protective sleeve 421, and the blade 411 is partially cut into the protective sleeve 421, so that the cardboard is limited, the stability of the cardboard during cutting is improved, and the blade 411 of the mounting main body 41 is protected by the protective sleeve 421.

Referring to fig. 4, a connection block 415 rotatably connected with a pressing wheel 412 is provided on a side surface of a mounting main body 41, a placement groove 413 into which the connection block 415 is placed is provided on the mounting main body 41, an elastic member 414 is provided inside the placement groove 413, the elastic member 414 is a return spring in a compressed state, and two ends of the return spring are fixedly connected with an inner wall of the placement groove 413 and a side surface of the connection block 415, respectively; when the paperboard is cut, the reset spring in a compressed state presses the connecting block 415 through the reset spring, so that the outer peripheral surface of the pressing wheel 412 abuts against the upper surface of the paperboard, and the lower surface of the paperboard abuts against the protective sleeve 421 (see fig. 3), thereby improving the stability of the paperboard when the cutting edge 411 cuts the paperboard; in other embodiments, the connection block 415 can slide along the length direction of the placement groove 413 in the placement groove 413, after the connection block slides to a position required by movement, a gap for pressing the paperboard by the pressing wheel 412 is reserved, and then the connection block 415 can be locked by a bolt without elastically pressing the pressing wheel 412 against the paperboard.

Referring to fig. 3 and 5, the power member 31 includes a driving motor 312 and a first driving chain 311, a first driving roller 321, a second driving roller 322 and an auxiliary roller 42 are parallel to each other, a driving sprocket 313 is fixedly sleeved at an end of an output shaft of the driving motor 312, a first sprocket 3211 is fixedly sleeved at the same ends of the first driving roller 321 and the second driving roller 322 of the front pressing member 32 and the rear pressing member 33, a second sprocket 422 is fixedly sleeved at an end portion of the auxiliary roller 42 close to the first sprocket 3211, and a third sprocket 12 and a fourth sprocket 13 are rotatably connected to a side surface of the supporting table 1.

Referring to fig. 5 and 6, the first transmission chain 311 is mounted on the outer circumferential surfaces of the driving sprocket 313, the second sprocket 422, the third sprocket 12, the fourth sprocket 13 and the four first sprockets 3211 as shown in fig. 4 or 5, and the rotational directions of the four first sprockets 3211, the second sprocket 422, the third sprocket 12 and the fourth sprocket 13 are indicated by black arrows in fig. 5.

Referring to fig. 7, the feeding assembly 2 comprises a driving belt 21 and a deviation rectifying piece 22, a first mounting rod 14 and a second mounting rod 15 are arranged on the supporting table 1, two end parts of the first mounting rod 14 and the second mounting rod 15 are rotatably connected with two opposite side edges of the supporting table 1, and two ends of the driving belt 21 are respectively sleeved on the outer peripheral surfaces of the first mounting rod 14 and the second mounting rod 15; the axial directions of the first mounting rod 14 and the second mounting rod 15 are parallel to the axial direction of the second driving roller 322, the first mounting rod 14 is mounted at a position close to the second driving roller 322, a fifth sprocket 3221 is fixedly sleeved at the end part of the second driving roller 322 far away from the first gear, a sixth sprocket 141 is fixedly sleeved at the end part of the first mounting rod 14 close to the fifth sprocket 3221, a second driving chain 314 is sleeved on the outer circumferential surfaces of the fifth sprocket 3221 and the sixth sprocket 141 together, and teeth on the fifth sprocket 3221 and the sixth sprocket 141 are meshed with the second driving chain 314; when the second driving roller 322 rotates, the first mounting rod 14 is driven to rotate synchronously, and the driving belt 21 sleeved on the outer peripheral surfaces of the first mounting rod 14 and the second mounting rod 15 is driven to rotate, so that the paper board to be processed positioned on the upper surface of the driving belt 21 moves in a direction approaching to the second driving roller 322.

Referring to fig. 8, the deviation rectifying member 22 includes a deviation rectifying plate 222 and a plurality of deviation rectifying wheels 221, a supporting bar 16, a first fixing rod 17 and a second fixing rod 18 are disposed on the supporting table 1, two ends of the first fixing rod 17 and the second fixing rod 18 are fixedly connected with two opposite sides of the supporting table 1, the deviation rectifying plate 222 is fixed on one side edge of the driving belt 21 through the first fixing rod 17 and the second fixing rod 18, the supporting bar 16 is fixed below the first fixing rod 17 and the second fixing rod 18 and above the other side edge of the driving belt 21, the plurality of deviation rectifying wheels 221 are fixed on the supporting bar 16 along the length direction of the supporting bar 16, and the deviation rectifying wheels 221 are rotatably connected with the supporting bar 16; the whole of the deviation correcting wheels 221 fixed on the supporting rods 16 is obliquely arranged, and the distance between the deviation correcting wheels 221 close to the clamping assembly 3 and the deviation correcting plates 222 is smaller than the distance between the deviation correcting wheels 221 far away from the clamping assembly 3 and the deviation correcting plates 222; when the driving belt 21 moves the paper board to be processed, the outer peripheral surface of the deviation correcting wheel 221 is abutted with the upper surface of the paper board to be processed, and the deviation correcting wheel 221 mainly enables the material to recover to the correct position in the running process by applying a certain slight pressure, so that one side edge of the paper board positioned on the driving belt 21 is gradually abutted with the side surface of the deviation correcting plate 222, and the subsequent cutting of the paper board is more accurate.

Referring to fig. 9, the discharge assembly 5 includes a collecting plate 51 fixed to a side of the support table 1, and the cut cardboard falls onto the collecting plate 51 from the rear pressing member 33, so that a subsequent worker can collect and sort the cut cardboard.

Referring to fig. 10, a paper board splitting machine includes a paper board splitting mechanism as described above, and will not be described herein.

The implementation principle of the embodiment of the application is as follows:

when the paper board is cut, the driving motor 312 is started firstly, the paper board is conveyed to the front pressing piece 32 through the driving belt 21, and meanwhile, in the conveying process, one side edge of the paper board positioned on the driving belt 21 is gradually abutted with the side surface of the deviation correcting plate 222 through the arrangement of the deviation correcting wheel 221 and the deviation correcting plate 222, so that the subsequent cutting of the paper board is more accurate;

one side edge of the paper board firstly enters an adjustable gap between the first driving roller 321 and the second driving roller 322 of the front pressing piece 32, then drives the paper board to move towards a direction close to the installation main body 41, after the paper board is pressed by the front pressing piece 32 and is simultaneously cut by the installation main body 41, the cut paper board part enters the adjustable gap between the first driving roller 321 and the second driving roller 322 of the rear pressing piece 33 and is pressed, and the cut paper board is driven to move onto the collecting plate 51 by the rear pressing piece 33, so that the cutting processing of the paper board is realized.

Referring to fig. 11, the embodiment of the present application is different from embodiment 1 in that two blades 411 are fixedly mounted on a cutter bar 45, and the tips of the two blades 411 abut, so that the very narrow cardboard to be cut is better grooved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The paperboard cutting mechanism comprises a supporting table (1), wherein a feeding component (2) is arranged on the supporting table (1);

the cutting device is characterized in that the supporting table (1) is further provided with a clamping assembly (3) and a cutting assembly (4), the clamping assembly (3) comprises a front pressing piece (32), a rear pressing piece (33) and a power piece (31) for driving the front pressing piece (32) and the rear pressing piece (33) to act, the cutting assembly (4) further comprises an installation main body (41) located between the front pressing piece (32) and the rear pressing piece (33), the installation main body (41) is provided with a cutting edge (411) and a pressing wheel (412), the front pressing piece (32) is used for pressing and conveying the paper board before cutting the paper board, and the rear pressing piece (33) is used for pressing and conveying the paper board after cutting the paper board.

2. The paperboard cutting mechanism according to claim 1, wherein the front pressing piece (32) and the rear pressing piece (33) comprise a first driving roller (321) and a second driving roller (322), two ends of the first driving roller (321) and the second driving roller (322) are rotatably connected with two side edges of the supporting table (1), the peripheral surfaces of the first driving roller (321) and the second driving roller (322) are close to each other and are reserved with adjustable gaps for placing and pressing a paperboard to be cut, and the power piece (31) drives the first driving roller (321) and the second driving roller (322) to rotate reversely along respective axial directions.

3. Cardboard cutting mechanism according to claim 1, characterized in that the supporting table (1) is provided with a cross beam (11), the upper end of the mounting main body (41) is slidably connected with the cross beam (11), the mounting main body (41) slides along the length direction of the cross beam (11), and the side surface of the cross beam (11) is provided with a fixing bolt (43) penetrating through the mounting main body (41) and abutting against the side surface of the cross beam (11).

4. A cardboard cutting mechanism according to claim 3, characterized in that the cutting assembly (4) further comprises an auxiliary roller (42) located below the mounting body (41), both ends of the auxiliary roller (42) are rotatably connected with both ends of the supporting table (1), a protective sleeve (421) located below the mounting body (41) is sleeved on the outer circumferential surface of the auxiliary roller (42), and the power member (31) also drives the auxiliary roller (42) to rotate.

5. A cardboard cutting mechanism according to claim 4, characterized in that the side of the mounting body (41) is further provided with an elastic member (414) and a connection block (415) in rotational connection with the press wheel (412), the elastic member (414) acting on the connection block (415), the press wheel (412) being close to the surface of the processing table.

6. A cardboard cutting mechanism according to claim 1, characterized in that the cutting assembly (4) further comprises a cutter bar (45), the cutter bar (45) is fixedly connected with the blade (411), the mounting body (41) is provided with a guiding groove (417) for the cutter bar (45) to be placed in and slide, and the cutter bar (45) is adjustably arranged in the guiding groove (417).

7. A cardboard cutting mechanism according to claim 6, characterized in that the number of cutting edges (411) connected to the same knife bar (45) is one.

8. A cardboard cutting mechanism according to claim 6, characterized in that the number of cutting edges (411) connected to the same knife bar (45) is two, two of the cutting edges (411) being inclined and the tips of the two cutting edges (411) abutting.

9. A cardboard cutting mechanism according to claim 1, characterized in that the feeding assembly (2) comprises a driving belt (21) and a deviation correcting member (22) mounted on the supporting table (1), one end of the driving belt (21) is close to the front pressing member (32), and the driving member (31) drives the driving belt (21) to move towards the direction close to the front pressing member (32) as well;

the utility model provides a piece (22) rectifies, including rectifying board (222) and a plurality of wheel (221) rectifies, one side fixed connection of rectifying board (222) and drive belt (21), install bracing piece (16) that are located the conveyer belt top on brace table (1), feeding subassembly (2) still include a plurality of wheel (221) rectifies of being connected with bracing piece (16) rotation, a plurality of the outer peripheral face of wheel (221) all with the upper surface butt of drive belt (21) rectifies, a plurality of wheel (221) are the slope setting entirely, are close to the interval between wheel (221) and the rectifying board (222) of rectifying of preceding compact disc (32) is less than the interval between wheel (221) and the rectifying board (222) of rectifying of keeping away from preceding compact disc (32).

10. A machine for cutting cardboard, characterized by comprising a cardboard cutting mechanism according to any one of claims 1-9.